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Air conditioner control method and device

A control method and technology of air conditioning, applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc., can solve problems such as affecting air conditioning and electric heaters not operating normally.

Active Publication Date: 2014-01-15
CHANGSHA GREE HVAC EQUIP CO LTD +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides an air conditioner control method and device to at least solve the problem in the related art that when the relay controlling the electric heater in the air conditioner fails, the electric heater may not operate normally, or even affect the entire air conditioner

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  • Air conditioner control method and device

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Embodiment Construction

[0026] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0027] In the related art, when the relay controlling the electric heater in the air conditioner fails, the electric heater may not operate normally, and even affect the entire air conditioner. Based on this, an embodiment of the present invention provides an air conditioner control method, figure 1 is a flowchart of an air-conditioning control method according to an embodiment of the present invention, such as figure 1 As shown, the following steps S102 to S104 are included.

[0028] Step S102, detecting the current of the electric heater of the air conditioner.

[0029] Step S104, controlling the running state of the air conditioner according to the designated state of the relay and the de...

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Abstract

The invention discloses an air conditioner control method and device. The method includes the steps of detecting currents of an electric heater of an air conditioner and controlling the operation state of the air conditioner according to the specified state of a relay and the detected currents, wherein the relay is used for controlling the electric heater. According to the air conditioner control method and device, the operation state of the air conditioner can be controlled through the specified state of the relay and the detected currents, the specified state of the relay is the state which the relay should be under, and the current state of the relay can be known through the currents, and accordingly real-time detection of the relay is achieved, the situation that when the relay breaks down, the electric heater and even the whole air conditioner cannot normally operate is avoided, and a guarantee is provided for normal operation of the whole air conditioner.

Description

technical field [0001] The present invention relates to the field of air conditioners, in particular to an air conditioner control method and device. Background technique [0002] In winter, frost is the main reason that affects the heating effect of heat pump air conditioners. When the outdoor ambient temperature is close to or lower than 0°C, the air conditioner often needs to be defrosted. In the limited defrosting time, the heat pump air conditioner only relies on the output heat of the whole unit itself to defrost, which takes a long time, and the heat of the air-conditioning indoor mechanism decreases or cannot be heated at all during this period. Therefore, additional heat needs to be added to defrost. [0003] At present, the method of directly heating the refrigerant with an electric heater can be used to defrost, and the electric heater device installed on the pipeline can convert electric energy into heat energy of the refrigerant, thereby increasing the heat ou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
Inventor 朱云青毛跃辉刘鑫
Owner CHANGSHA GREE HVAC EQUIP CO LTD
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